X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Flib%2Fformal_topology%2Fformal_topologies.ma;h=84cd97c206ca44fd68a8b642a37dc0fff81df570;hb=2f20aaf586f7cb4fd2933d765f4d09fcf077e4c5;hp=177eb454e491611f5401e4cea853e4bdd9b00d8b;hpb=c8718cc46ab9aaca047366dfefe72bc7c9402e5a;p=helm.git

diff --git a/matita/matita/lib/formal_topology/formal_topologies.ma b/matita/matita/lib/formal_topology/formal_topologies.ma
index 177eb454e..84cd97c20 100644
--- a/matita/matita/lib/formal_topology/formal_topologies.ma
+++ b/matita/matita/lib/formal_topology/formal_topologies.ma
@@ -12,8 +12,10 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "basics/core_notation/fintersects_2.ma".
+include "basics/core_notation/downarrow_1.ma".
 include "formal_topology/basic_topologies.ma".
-
+(*
 (*
 definition downarrow: ∀S:BTop. unary_morphism (Ω \sup S) (Ω \sup S).
  intros; constructor 1;
@@ -94,4 +96,5 @@ definition formal_map_composition:
     apply prop1; assumption]
 qed.
 
-*)
\ No newline at end of file
+*)
+*)